syzkaller login: [ 39.930915] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:21314' (ECDSA) to the list of known hosts. 2023/05/16 21:22:07 fuzzer started 2023/05/16 21:22:07 dialing manager at localhost:35573 2023/05/16 21:22:07 checking machine... 2023/05/16 21:22:07 checking revisions... [ 41.804957] kmemleak: Automatic memory scanning thread ended 2023/05/16 21:22:07 testing simple program... [ 41.882848] cgroup: Unknown subsys name 'net' [ 41.976045] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.350018] audit: type=1400 audit(1684272140.414:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 55.436932] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.440097] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.441337] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.444982] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.446476] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.448562] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.869931] ------------[ cut here ]------------ [ 55.870576] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.872215] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.873233] Modules linked in: [ 55.873669] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.875002] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.877269] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.878953] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 55.881691] RSP: 0018:ffff88801fb67c00 EFLAGS: 00010282 [ 55.882342] RAX: 0000000000000000 RBX: ffff8880164b9c40 RCX: 0000000000000000 [ 55.883241] RDX: ffff8880192f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.884179] RBP: ffff8880164b9c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.885070] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.885955] R13: ffffffff84e223a0 R14: ffff8880164b9c48 R15: ffffffff84d73340 [ 55.886858] FS: 0000555555792400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.887868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.888633] CR2: 00007efeab83c6f4 CR3: 000000000a1f2000 CR4: 0000000000350ee0 [ 55.889533] Call Trace: [ 55.889865] [ 55.890162] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.890801] ipv4_frags_init_net+0x269/0x440 [ 55.891401] ops_init+0xbb/0x6b0 [ 55.891842] setup_net+0x3d9/0x990 [ 55.892296] ? down_read_killable+0x1d7/0x4e0 [ 55.892898] ? __pfx_setup_net+0x10/0x10 [ 55.893446] ? copy_net_ns+0x17c/0x770 [ 55.893959] copy_net_ns+0x321/0x770 [ 55.894479] create_new_namespaces+0x3f6/0xb30 [ 55.895073] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.895723] ksys_unshare+0x44d/0x8e0 [ 55.896240] ? __pfx_ksys_unshare+0x10/0x10 [ 55.896821] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.897566] __x64_sys_unshare+0x31/0x40 [ 55.898090] do_syscall_64+0x3f/0x90 [ 55.898597] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.899245] RIP: 0033:0x7fa3a58b30d7 [ 55.899738] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 55.901925] RSP: 002b:00007fff61aeac58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.902876] RAX: ffffffffffffffda RBX: 00007fff61aeb298 RCX: 00007fa3a58b30d7 [ 55.903761] RDX: 00007fa3a591d41f RSI: 00007fff61aeabf0 RDI: 0000000040000000 [ 55.904666] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff61aeaa00 [ 55.905555] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa3a59c5bf0 [ 55.906447] R13: 00007fff61aead30 R14: 0000000000000000 R15: 00000000000000f8 [ 55.907339] [ 55.907681] irq event stamp: 8113 [ 55.908100] hardirqs last enabled at (8123): [] __up_console_sem+0x78/0x80 [ 55.909165] hardirqs last disabled at (8134): [] __up_console_sem+0x5d/0x80 [ 55.910241] softirqs last enabled at (7186): [] netlink_insert+0x187/0x1820 [ 55.911328] softirqs last disabled at (7184): [] release_sock+0x1f/0x1b0 [ 55.912412] ---[ end trace 0000000000000000 ]--- [ 55.917976] ------------[ cut here ]------------ [ 55.918604] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.920255] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.921330] Modules linked in: [ 55.921745] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.922813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.923755] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.924412] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 55.926440] RSP: 0018:ffff88801fb67c00 EFLAGS: 00010282 [ 55.927051] RAX: 0000000000000000 RBX: ffff888015dbaa40 RCX: 0000000000000000 [ 55.927889] RDX: ffff8880192f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.928732] RBP: ffff888015dbaa54 R08: 0000000000000001 R09: 0000000000000000 [ 55.929558] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.930362] R13: ffffffff84e223a0 R14: ffff888015dbaa48 R15: ffffffff84da62e0 [ 55.931199] FS: 0000555555792400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.932153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.932846] CR2: 00007efeab83c6f4 CR3: 000000000a1f2000 CR4: 0000000000350ee0 [ 55.933686] Call Trace: [ 55.933993] [ 55.934274] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.934878] ipv6_frags_init_net+0x206/0x3c0 [ 55.935431] ops_init+0xbb/0x6b0 [ 55.935851] setup_net+0x3d9/0x990 [ 55.936288] ? down_read_killable+0x1d7/0x4e0 [ 55.936897] ? __pfx_setup_net+0x10/0x10 [ 55.937501] ? copy_net_ns+0x17c/0x770 [ 55.938062] copy_net_ns+0x321/0x770 [ 55.938630] create_new_namespaces+0x3f6/0xb30 [ 55.939287] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.940009] ksys_unshare+0x44d/0x8e0 [ 55.940600] ? __pfx_ksys_unshare+0x10/0x10 [ 55.941221] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.942069] __x64_sys_unshare+0x31/0x40 [ 55.942697] do_syscall_64+0x3f/0x90 [ 55.943240] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.944010] RIP: 0033:0x7fa3a58b30d7 [ 55.944603] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 55.947064] RSP: 002b:00007fff61aeac58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.948151] RAX: ffffffffffffffda RBX: 00007fff61aeb298 RCX: 00007fa3a58b30d7 [ 55.949173] RDX: 00007fa3a591d41f RSI: 00007fff61aeabf0 RDI: 0000000040000000 [ 55.950171] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff61aeaa00 [ 55.951239] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa3a59c5bf0 [ 55.952319] R13: 00007fff61aead30 R14: 0000000000000000 R15: 00000000000000f8 [ 55.953441] [ 55.953799] irq event stamp: 9925 [ 55.954303] hardirqs last enabled at (9935): [] __up_console_sem+0x78/0x80 [ 55.955550] hardirqs last disabled at (9946): [] __up_console_sem+0x5d/0x80 [ 55.956825] softirqs last enabled at (9496): [] irq_exit_rcu+0x93/0xc0 [ 55.958064] softirqs last disabled at (9491): [] irq_exit_rcu+0x93/0xc0 [ 55.959277] ---[ end trace 0000000000000000 ]--- [ 55.961059] ------------[ cut here ]------------ [ 55.962025] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.964586] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.965948] Modules linked in: [ 55.966527] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.968056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.969408] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.970251] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 55.973104] RSP: 0018:ffff88801fb67bf0 EFLAGS: 00010286 [ 55.974009] RAX: 0000000000000000 RBX: ffff888015dba440 RCX: 0000000000000000 [ 55.975170] RDX: ffff8880192f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.976344] RBP: ffff888015dba454 R08: 0000000000000001 R09: 0000000000000000 [ 55.977533] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.978703] R13: ffffffff84e223a0 R14: ffff888015dba448 R15: ffffffff84daf020 [ 55.979870] FS: 0000555555792400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.981185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.982135] CR2: 00007efeab83c6f4 CR3: 000000000a1f2000 CR4: 0000000000350ee0 [ 55.983278] Call Trace: [ 55.983735] [ 55.984126] nf_ct_net_init+0x224/0x3d0 [ 55.984857] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.985619] ops_init+0xbb/0x6b0 [ 55.986172] setup_net+0x3d9/0x990 [ 55.986798] ? down_read_killable+0x1d7/0x4e0 [ 55.987560] ? __pfx_setup_net+0x10/0x10 [ 55.988227] ? copy_net_ns+0x17c/0x770 [ 55.988925] copy_net_ns+0x321/0x770 [ 55.989609] create_new_namespaces+0x3f6/0xb30 [ 55.990333] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.991082] ksys_unshare+0x44d/0x8e0 [ 55.991659] ? __pfx_ksys_unshare+0x10/0x10 [ 55.992297] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.993173] __x64_sys_unshare+0x31/0x40 [ 55.993821] do_syscall_64+0x3f/0x90 [ 55.994421] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.995180] RIP: 0033:0x7fa3a58b30d7 [ 55.995768] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 55.998399] RSP: 002b:00007fff61aeac58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.999532] RAX: ffffffffffffffda RBX: 00007fff61aeb298 RCX: 00007fa3a58b30d7 [ 56.000610] RDX: 00007fa3a591d41f RSI: 00007fff61aeabf0 RDI: 0000000040000000 [ 56.001673] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff61aeaa00 [ 56.002742] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa3a59c5bf0 [ 56.003812] R13: 00007fff61aead30 R14: 0000000000000000 R15: 00000000000000f8 [ 56.004909] [ 56.005269] irq event stamp: 10743 [ 56.005831] hardirqs last enabled at (10755): [] __up_console_sem+0x78/0x80 [ 56.007109] hardirqs last disabled at (10766): [] __up_console_sem+0x5d/0x80 [ 56.008404] softirqs last enabled at (10534): [] irq_exit_rcu+0x93/0xc0 [ 56.009647] softirqs last disabled at (10529): [] irq_exit_rcu+0x93/0xc0 [ 56.010881] ---[ end trace 0000000000000000 ]--- executing program [ 57.523030] Bluetooth: hci0: command 0x0409 tx timeout [ 59.571506] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.618491] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.666452] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 21:22:15 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce3a480 RCX=0000000000000001 RDX=0000000000000000 RSI=00000000ffffffff RDI=ffffffff854e2950 RBP=ffffffff854e2950 RSP=ffff88806ce09c00 R8 =00000000ffffffff R9 =fffffbfff0ba6942 R10=0000000000007f25 R11=0000000000000000 R12=ffffffff8542a780 R13=ffff88806ce3a480 R14=00000000ffffffff R15=0000000000000000 RIP=ffffffff844c41e5 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f04de1092e0 CR3=000000000e76e000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=d20b5e7efe4f7ba76f44be968ea2c190 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000001112a8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d4a55bcb287044c300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000064 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fb67578 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000064 R11=0000000000000001 R12=0000000000000064 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555555792400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efeab83c6f4 CR3=000000000a1f2000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000